Update Flashhobbyf405 mfg id (#875)

Author: haslinghuis

configs/FLASHHOBBYF405/config.h

@@ -24,7 +24,7 @@
 #define FC_TARGET_MCU     STM32F405
 
 #define BOARD_NAME        FLASHHOBBYF405
-#define MANUFACTURER_ID   FHRC
+#define MANUFACTURER_ID   FLHB
 
 #define USE_ACC
 #define USE_ACC_SPI_MPU6000